LOL...I can understand I guess the allure of a high end AR for those that just buy one and shoot it but rely on a gunsmith for any changes. I guess I may be spoiled with having a shop full of tools and seemingly endless bins full of AR parts. If I have something wear out or go wrong, I got plenty of spares and I know how to fix them. I might be a little guilty of assuming we all build these things or regularly rip them apart and swap stuff around thus being able to inspect, and correct regularly.